fix: move theme/css to gr.Blocks() constructor + add Chatbot type='messages'

Fixes HF Spaces crash: TypeError: Blocks.launch() got unexpected keyword argument 'theme'
Also resolves Chatbot deprecation warning for tuples format.

app.py

@@ -30,11 +30,7 @@ logger = logging.getLogger("bioops_twin")
 
 def main() -> None:
     """Build and launch the BioOps Twin dashboard."""
-    from bioops.simulation_ui.dashboard import (
-        INDUSTRIAL_CSS,
-        INDUSTRIAL_THEME,
-        build_dashboard,
-    )
+    from bioops.simulation_ui.dashboard import build_dashboard
 
     logger.info("Launching BioOps Twin dashboard...")
     app = build_dashboard()
@@ -42,8 +38,6 @@ def main() -> None:
         server_name="0.0.0.0",
         server_port=7860,
         show_error=True,
-        theme=INDUSTRIAL_THEME,
-        css=INDUSTRIAL_CSS,
     )
 
 

bioops/simulation_ui/dashboard.py

@@ -216,6 +216,8 @@ def build_dashboard() -> gr.Blocks:
     # -- Build UI ----------------------------------------------------------
     with gr.Blocks(
         title="BioOps Twin — Digital Centrifuge",
+        theme=INDUSTRIAL_THEME,
+        css=INDUSTRIAL_CSS,
     ) as demo:
 
         # -- Header ---------------------------------------------------------
@@ -245,6 +247,7 @@ def build_dashboard() -> gr.Blocks:
                     value=[],
                     label="BioOps Assistant",
                     elem_id="operator-chatbot",
+                    type="messages",
                     height=340,
                     placeholder=(
                         "Talk to BioOps — try:\n"

main.py

@@ -30,11 +30,7 @@ logger = logging.getLogger("bioops_twin")
 
 def main() -> None:
     """Build and launch the BioOps Twin dashboard."""
-    from bioops.simulation_ui.dashboard import (
-        INDUSTRIAL_CSS,
-        INDUSTRIAL_THEME,
-        build_dashboard,
-    )
+    from bioops.simulation_ui.dashboard import build_dashboard
 
     logger.info("Launching BioOps Twin dashboard...")
     app = build_dashboard()
@@ -42,8 +38,6 @@ def main() -> None:
         server_name="0.0.0.0",
         server_port=7860,
         show_error=True,
-        theme=INDUSTRIAL_THEME,
-        css=INDUSTRIAL_CSS,
     )